For being quite a long time, the HDD mud recyling is just screening, or add some cyclones; though it is common sense for everyone sometimes that corroct sized combination of equipment can ideally targets drilled solid of different particle sizes from large drilled solids through to sand silt, clay and colloids; the decanter centrifuge cost money. While it get rid of 5~10 micron solids.

Decanter centrifuge have been approved for oil gas and lots of big HDD projects, that it works, save downhole tools life, and reduce the disposal costs. Then the topic comes to after the desilter cyclones, is it still worth to have a decanter centrifuge. Real conflict thing is until you use a decanter centrifuge, you can find out the real value in it.

Very recently GN have delivered a mud recycling system to Sinopec projects, with a decanter centrifuge. Decanter centrifuge GNLW363C-VFD is last stage separation equipment for fine solids separation. After several time recycling, there will be much fine solids in the drilling mud. The centrifuge is used to remove the fine solids to ensure the property of the drilling mud. Decanter centrifuge is fixed on a collecting tank with 4 supporting legs. Liquid is flow into the tank and solids will be collected by the screw conveyor and transferred out of the system.

If you would like to know more info about the decanter centrifuge for HDD projects, pls let us know.

HDD Mud system is also one of the main business from GN Solids Control, for quite a while, that is how we made ourselves different, we make compact HDD mud systems for different clients, flexible to customize, and with more and more experience, now we got several standard systems meet most of the requirements. Recently we sent out 3sets of HDD mud recycling systems.

Two Sets 500GPM Trenchless Mud Recycler for HDD Company in India, and 1 HDD Mud Recycling and Dewatering Unit for Sinopec. A standard self-contained trenchless mud recycler is consisting of mud recycling equipment, mud mixing equipment and mud collection tank. Different from the mud recycler in oil gas drilling industry, the trenchless drilling will discharge the dirty mud back to mud pit on the ground firstly, then use a vertical installed submersible slurry pump to transfer the mud to mud recycler system.

1. Shale shaker GNZS703F is the first stage separation equipment to remove the coarse solids. GNZS03F is the latest version shale shaker in GN production line. This model shale shaker is with 3 panel composite frame shaker screen that is fastened by using ratchet spanner, easily and fast.

2. GNZJ703F-1S8N mud cleaner is combination unit of desander and desilter. The mud cleaner under shaker is the same model GNZS703F. Normally, GN use same model shale shaker for easy future maintenance. 2 units centrifugal pump are equipped in the system for feeding the drilling mud to the hydrocyclone units for smaller sand and silt separation.

Most of the driller will use Three-stage separation procedure as shale shaker, de-sander, de-silter to remove the cuttings and waste solids step by step. This is a cost saving configuration. If higher separation request is needed, the driller will bring a decanter centrifuge into the trenchless mud recycler

Decanter centrifuge GNLW363C-VFD is last stage separation equipment for fine solids separation. After several time recycling, there will be much fine solids in the drilling mud. The centrifuge is used to remove the fine solids to ensure the property of the drilling mud. Decanter centrifugeis fixed on a collecting tank with 4 supporting legs. Liquid is flow into the tank and solids will be collected by the screw conveyor and transferred out of the system.

HDD mud system is one of the main business GN have been working, still good business. Except a few loyal big clients like CPP, purchase a lot each year, introduce their friends etc., more and more repeated orders from the client who used GN equipment, some times same person, new company, or vice verse. India has always been a big market for a long time, and assume it will be in future. We have been dealing with India people from companies all over the world, also lots of local Indian companies.

Sand processing unit consists of tank, drilling fluid shale shaker, cyclone, sand pump and electric control system composition, its main effect is purification mud sand separation. Apply to mining processing, the end of pulp construction pile driving, such as the horizontal directional drilling mud purification.

2) Operation principle

Primary purification equipment of the system is to GNZS706 double linear shale shaker, linear shale shaker works make linear vibrating screen box, after the mud into the screen box, through a sieve for solid phase particles expelled mesh size, mud through sieve into the mud tank, primary purification ended; Again by sand pump pumping mud can give cyclone by centrifugal vortex separation will further separation of solid phased particles in the mud, after separation of solid phase after the upper deck of the vibrating screen mesh back out of the pot dry, after purification, the mud go through the overflow manifold into the slurry storage tank.

3) Installion

Construction site is flat and level appropriate area of the field, after placing the sand smooth processing units, import and export manifold connection. Users according to the situation prepare for slurry pump, manifold into pulp and back pipe manifold.

4) Equipment maintenance

1, using and maintenance of shale shaker

2, maintenance of cycloneThe cyclone is 8 “cyclone, the structure is connected by welding, which all parts in contact with the mud, composed of polyurethane curing; Theoretically and practically, in addition to sand the cyclone must always check the wear condition of river mouth, if you have wear must be change in time, or you will wear cyclone body.3, the use of the mud tank maintenanceafter using Mud tank each time , must clean the mud tank, often check whether cans and manifold valve seal in good condition, otherwise, it should be replaced in a timely manner.4, sand pump5, the daily maintenance of electric control systemThe electric control of this system is mainly composed of sand pump electrical control cabinet, shale shaker and electric cable. Control cabinet of electric control system of inspection maintenance must be conducted under the condition of power by the professional electrical personnel operation.

Water properly drilling rigs are popular for oil and gas drilling industry, for normal lifetime as well as industries.
Take the oil and gas drillingfor example , water is the needed material for drilling actions. Water is request for you to for drilling fluids mixing, for tank cleaning, intended for flush, for equalizing nicely pressure, etc… There will be different ladies involved for drilling routines; Water is also the essential substance for the rig peoples. Often the rig sites are normally a long way away from human area. Effectively well drilling is the most rapidly and most convenient way for water supply.
GN Solids Control engineer just came back from the middle east job web-site. He finished the first time ordering and training of 1 fixed GNMS-500G water well drilling mud system. The 500GPM mud system is design and style and made for their oil rigs.

The system is composed of just one deck linear motion shale shaker, a hydro cyclone desilter separator, a drillingfluids mud mixing system, giving pump, mixing pump, the particular explosion proof electric control system, trailer skid mud tank and electrical lights systems.
For a compact design and style, GN put the feeding pump for hydro cyclone desilter, and the mud mixing pump on the skid.
In order to get an even bigger usable capacity, GN developed the mud tank together with 3 m width. With China, but also in many various other countries, 3 m may be the normal width limitation regarding inland shipment. GN produce all the sand gates build-in type. In this case, it will not on the tank width scope.
Customers request a mobile model for fast movement. Just to save the cost of clients, GN Solids Control recommend client in order to source trailer skid hereabouts and buy complete mud system from GN. GN Solids Control customize the system suitable for trailer skid. You will find container corner blocks each and every tank corner. The tank can be out and straightened on the trailer skid such as a container.

One fixed 500GPM drilling mud recycling where possible system was sent to Center East for water very well drilling. Besides the drilling mud recycling system for essential oil drilling, they also need tool water well for day-to-day requirement for clean water. For your person living in Middle Distance, water is more important as compared to oil. Sounds like a job, although that is reality.
Water nicely is not so deep much like the oil well, and the drilling cost is also very cheap looking at with oil drilling. But both this 2 drilling processes need the going mud recycling system to be able to speed up the drilling procedure and protect the punch bit. Water well going may not need the used drilling mud to be separated extremely clean as it is not required strictly. Just like this 500GPM unit shipped to Midst East, it is a very stream-lined model, while it has all of the necessary separation equipment.

They have one unit shale shaker GNZS703DZ with 3 panel screens which could remove out solids always larger than 600 microns. This model is by using the mud feeder along with the shaker deck so this shaker could be considerably more compact. As the water very well drilling is always not so deeply, hence, the solids developing the drilling mud is obviously not so hard. In this 500GPM mud recycling system, typically the de-sander cone is not loaded, but directly the de-silter cone would be used to individual the solids size of all-around 20 microns.
This 500GPM water well drilling mud system is a standard GN model GNMS-500G with 3 unit centrifugal pumps. One among each is used as giving pump for the de-silter cyclone, and the other one is useful for mud mixing, the mud tank is divided into a couple of compartments. It has enough space regarding clean mud storage.
Even though this 500GPM mud system is for water well drilling , it can also be used in other drilling project like HDD. Since the working principle is completely the identical. The customer killed two chickens with only one stone.

Although the major share of GN products are used for oil and gas industry, GN Solids Control also occupies the first place in market share in HDD, CBM ,TBM and Loop Zero Discharge System. And among all GN HDD mud recycling systems, the 500 GPM capacity is the most popular among the users.
Picture below is one set of GNMS 500GL HDD System for a jobsite inside China, this is the 3rd project this system is used to serve and GN Solids Control sent engineer to jobsite help to re-set up of the system.

GNMS series mud recycling system is high standard configuration of GN mud recycling systems, they are perfect solution for HDD projects because:
1. GNZS703E-DZ shale shaker is a mature design of GN Solids Control, it use 3 pcs of shaker screens and the screen area is 2.63 cbm. Same as all the GN Shale Shakers, GNZS703E-DZ shale shaker uses the patented technology for the deck sealing in order to prevent leaking of liquid. Shaker deck frame is Stainless steel to have stronger structure for a longer service life. Unless its peer model GNZS703E-HB which is designed for oil and gas solids control system, this model of shale shaker is suitable for get fed via a submersible slurry pump from a mud pit. It is designed especially for the HDD projects.
2. GNZS-703E 1S8N mud cleaner is a combination of the 2nd and 3rd separation steps with desander cone and desilter cones, and the shaker below is used as a under shaker for both desander and desilter cones. GN choose polyurethane cyclones as the desander and desilter cones, more wear proof and longer service life than the metal material ones.
3. As high configuration of GN mud recycling systems, GNMS 500 GL has mixing hopper and mixing pumps for adding new chemicals into the well cleaned drilling mud after recycled. And this 500 GPM system has a larger storage capacity comparing with the standard GNMS 500G system.

There is no doubt that HDD is widely applied for the civil infrastructure, pipeline settle and construction. GN Solids control as drilling waste management company is dedicated to supply different kinds of drilling fluids recycle units such as shale shaker, de sander, de silter, centrifugal pump and hopper. Also, we provide the complete system matching with different size of rig from 150GMP mini system to 2000GPM large system.

Our unit is able to work with US -Vermeer, Ditch wich, American Auger and Germany-TRACTO TECHNIK(TT Group). Recently, there is a 500GPM system for the HDD industry field.

GN supply mud system to European country for drilling waste management.. Mud system comprises drilling fluid cleaning system, mud mixing system and mud storage system.

1 Mud Cleaning System

Two sets of GNGZ703E shale shaker are with ATEX certification motor and CE certification which are the European mud system standard requirement.

One set of mud cleaner is including 2 10” desander and 12 4” desilter with 703 model shale shaker

Also, there are two centrifugal pump which are feeding the mud to desander and desilter

2 Mixing Mud System and Storage Mud System

Mixing mud system is made of two centrifugal pumps and few mud agitators. GN highly effective mud agitators are able to mix the drilling mud prevent the sediment.

Storage mud system is made of mud agitator and mud tank which storage enough drilling mud to assist drilling process

GN solids control system is recognized by the EU market again. It proven that GN is with high quality drilling waste management equipment and advanced solids control system. Our equipment has been exported over 65 countries and areas with fast after-sale service and competitive price. Choosing GN as your partner is an absolutely perfect decision.

Under the requirement of environmental regulation, vertical cutting dryer (vertical centrifuge ) is gained much attention from public. Cutting dryer is one kind of solution to deal with the oil based mud and synthetic base mud. Recently, GN Cutting dryer is also tested with water based mud which is widely recognized as harder mud to separate solids without clogging. It is widely acknowledged that only high functional cutting dyer is able to deal with water based mud so GN cutting dryer is able to absolutely separator all kinds of mud

Compare to CSI Cutting Dryer, GN cutting dryer advantages

GN cutting dryer process water based mud

1. GN vertical cutting dryer is install air knife and flushing system to prevent screen basket from plugging

2. Discharge screw conveyor is a good solution to transport the solids from the dryer to discharge site

3. Carefully select the material of flights and design the screen opening distance assure historically and consistently produced as low as 5% oil retention on cuttings by weight. GN also provides parts and service for cuttings dryers.

GN also supports a plenty of solids control equipment to work with cutting dyer. GN not only provide the single device, but focus on offering a completely solution to your working site such as bored pile mud solution, diamond drilling mud recycling , dredging slurry separation, HDD(Horizontal Directional Drilling) and CBM

(Coal Bed Methane). GN Solids Control will be your best partner in the solids control field.